Table 1

Pathway and population characteristics

WeekendWeekdayOverallP values*
ED attendances (mean/day; % admitted)113 913 (273; 27.2%)282 422 (271; 28.6%)396 335 (271; 28.2%)0.018; <0.001
Admissions (mean/day)37 979 (91)125 149 (120)163 128 (112)<0.001
Admission route (mean/day)
 ED31 023 (74)80 759 (77)111 782 (77)<0.001
 GP+bed bureau3197 (8)26 596 (25)29 793 (20)<0.001
 Outpatient clinic859 (2)7690 (7)8549 (6)<0.001
 Other providers2900 (7)10 104 (10)13 004 (9)<0.001
ICU transfers (n (%) of weekend/weekday total admits; % of weekend/weekday ICU24 cases)
 n (% total); n/day1579 (4.2%)3781 (3.0%)5360 (3.3%)<0.001
 Direct1202 (3.2%; 76.1%)2469 (2%; 65.3%)3671 (2.3%; 68.5%)<0.001; <0.001
 Indirect377 (1%; 23.9%)1312 (1%; 34.7%)1689 (1%; 31.5%)0.348; <0.001
Sex
  Male19 360 (51.0%)62 375 (49.8%)81 735 (50.1%)<0.001
  Female18 619 (49.0%)62 774 (50.2%)81 393 (49.9%)<0.001
Age (years)
 Median (IQR)60 (40–78)60 (42–77)60 (41–77)0.295
 Mean (SD)58.2 (22.239)58.5 (21.393)58.4 (21.593)0.056
Ethnicity
 White28 947 (76.2%)96 339 (77.0%)1 25 286 (76.8%)0.005
 Asian4681 (12.3%)15 515 (12.4%)20 196 (12.4%)0.856
 Black1622 (4.3%)5322 (4.3%)6944 (4.3%)1.000
 Mixed507 (1.3%)1511 (1.2%)2018 (1.2%)0.859
 Other1253 (3.3%)3294 (2.6%)4547 (2.8%)0.201
 Not stated969 (2.6%)3168 (2.5%)4137 (2.5%)0.862
Charlson Comorbidity Index
 018 626 (49.0%)61 393 (49.1%)80 019 (49.1%)0.733
 1–56716 (17.7%)21 646 (17.3%)28 362 (17.4%)0.072
 >512 637 (33.3%)42 110 (33.6%)54 747 (33.6%)0.278
Income deprivation decile
 Median (IQR)4 (1–6)4 (1–6)4 (1–6)0.858
 Mean (SD)4.2 (2.788)4.2 (2.770)4.2 (2.774)0.621
Previous admissions†
 033 330 (87.8%)110 028 (87.9%)143 358 (87.9%)0.601
 13943 (10.4%)13 071 (10.4%)17 014 (10.4%)1.000
 2575 (1.5%)1696 (1.4%)2271 (1.4%)0.150
 ≥3131 (0.3%)354 (0.3%)485 (0.3%)1.000
NEWS24 value
 Median (IQR)1 (0–3)1 (0–2)1 (0–2)<0.001
 Mean (SD)1.8 (2.049)1.7 (1.969)1.7 (1.989)0.008
Length of stay (days)
 Median (IQR)3 (1–8)2 (1–7)2 (1–7)<0.001
 Mean (SD)7.1 (13.129)6.9 (13.248)7.0 (13.221)0.008
 Z-LOS (%)6529 (17.2)27 390 (21.9)33 919 (20.8)<0.001
  • ED, emergency department; GP, general practitioner; ICU, intensive care unit; NEWS, National Early Warning Score; Z-LOS, zero length of stay.

  • *Comparison between weekend and weekday.

  • †Within 30 days prior to the current admission.